This timer switch can automatically turn on/off all kinds of electrical equipment according to the time set by the user. It has a built-in 1.2V/40mA rechargeable battery and an industrial-grade chip. With high precision and strong anti-interference ability, the timer switch is ideal for controlling street lights, neon lights, production equipment, radio and television and many other household appliances. Features: Advanced preset one week in advance. General purpose digital electronic timer with daily and weekly programs. Repeat programs with 16 ON and 16 OFF settings. Precise setting to the minute. LCD display shows real-time hours/minutes and ON/AUTO/OFF. DIN rail installation, DIN rail is not included. Specifications: Input voltage: AC/DC12V Contact rated voltage: 220~240VAC 50~60Hz. Load capacity: 16A 250VAC (resistive load) On/Off operation: 16 on and 16 off (manual/auto) Display: LCD Power: 4.5VA (maximum) Error: 2s/day(25) Mounting method: DIN rail (not included) Link: 1 min to 168 hours Working temperature: -20 to 55 Size: 86.53665.5mm Quantity: 1 Instruction: when you use the timer for the first time, input AC power and charge the built-in battery, then press the reset button. the timer switch is in 24-hour mode by default. Press and hold the "time" button (bottom left, next to "reset") for 5 seconds until it displays "AM" to switch to 12-hour mode. Press and hold the "time" button again for 5 seconds to return to 24-hour mode. Note: The data are all measured manually, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.